drop it off the nearest cliff
Said when you want someone to drop a conversation subject once and for all.
Boy: should Hillary Clinton be arrested for uranium one?
mother : I don't know what uranium one is and drop it off the nearest cliff with your Hillary Clinton obsession. It's not your business to arrest anyone.
mother : I don't know what uranium one is and drop it off the nearest cliff with your Hillary Clinton obsession. It's not your business to arrest anyone.